diff --git a/crypto.go b/crypto.go
index 13a5cd5..75fe027 100644
--- a/crypto.go
+++ b/crypto.go
@@ -14,6 +14,7 @@ import (
 	"crypto/rsa"
 	"crypto/sha1"
 	"crypto/sha256"
+	"crypto/sha512"
 	"crypto/x509"
 	"crypto/x509/pkix"
 	"encoding/asn1"
@@ -36,6 +37,11 @@ import (
 	"golang.org/x/crypto/scrypt"
 )
 
+func sha512sum(input string) string {
+	hash := sha512.Sum512([]byte(input))
+	return hex.EncodeToString(hash[:])
+}
+
 func sha256sum(input string) string {
 	hash := sha256.Sum256([]byte(input))
 	return hex.EncodeToString(hash[:])
diff --git a/crypto_test.go b/crypto_test.go
index 449e7ff..5040fb9 100644
--- a/crypto_test.go
+++ b/crypto_test.go
@@ -26,6 +26,13 @@ var (
 	}
 )
 
+func TestSha512Sum(t *testing.T) {
+	tpl := `{{"abc" | sha512sum}}`
+	if err := runt(tpl, "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"); err != nil {
+		t.Error(err)
+	}
+}
+
 func TestSha256Sum(t *testing.T) {
 	tpl := `{{"abc" | sha256sum}}`
 	if err := runt(tpl, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"); err != nil {
diff --git a/functions.go b/functions.go
index 57fcec1..dafcb7f 100644
--- a/functions.go
+++ b/functions.go
@@ -159,6 +159,7 @@ var genericMap = map[string]interface{}{
 	"plural":     plural,
 	"sha1sum":    sha1sum,
 	"sha256sum":  sha256sum,
+	"sha512sum":  sha512sum,
 	"adler32sum": adler32sum,
 	"toString":   strval,